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https://github.com/web-platform-tests/wpt
26 December 2018, 22:31:15 UTC
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Tip revision: eb67b371f0b9ea482a1f8c8b22f20468a42f23b0 authored by James Graham on 27 March 2014, 15:31:25 UTC
Change terminate test not to spam the event loop with so many messages
Tip revision: eb67b37
idbcursor_continue_index.htm 
<!DOCTYPE html>
<html>
<head>
    <title>IDBCursor.continue() - index - iterate to the next record</title>
    <script type="text/javascript" src="support.js"></script>
    <script src="/resources/testharness.js"></script>
    <script src="/resources/testharnessreport.js"></script>
    <script type="text/javascript">
        var objectStoreName = "objectstore";
        var indexName = "index";
        var records = [ { pKey: "primaryKey_0", iKey: "indexKey_0" },
                        { pKey: "primaryKey_1", iKey: "indexKey_1" }];
        var count = 0;
        var db = null;
        var t = async_test();
        
        function RunTest() {
            var rqOpen = window.indexedDB.open(databaseName, databaseVersion);
            rqOpen.onupgradeneeded = t.step_func( function (event) {
                db = event.target.result;
                db.onerror = t.step_func( assert_database_error );
                var objStore = db.createObjectStore(objectStoreName, {keyPath:"pKey"});
                objStore.createIndex(indexName, "iKey");
                for(var i = 0; i < records.length; i++) {
                    objStore.add(records[i]);
                }
            });
            rqOpen.onsuccess = t.step_func( VerifyCursorIterates );
            rqOpen.onerror = t.step_func( assert_open_request_error );
        }
        
        function VerifyCursorIterates(event) {
            var txn = db.transaction(objectStoreName, "readonly");
            var objStore = txn.objectStore(objectStoreName);
            var index = objStore.index(indexName);
            var rqCursor = index.openCursor();
            rqCursor.onsuccess = t.step_func( function(event) {
                var cursor = event.target.result;
                if(cursor) {
                    var record = cursor.value;
                    
                    assert_equals(record.pKey, records[count].pKey, "record.pKey");
                    assert_equals(record.iKey, records[count].iKey, "record.iKey");
                    
                    count++;
                    cursor.continue();
                } else {
                    assert_equals(count, records.length, "count");
                    t.done();
                }
            });
        }
        
        add_completion_callback(function() { if(db) db.close(); });
        
        setup(function() {
            var rqDelete = window.indexedDB.deleteDatabase(databaseName);
            rqDelete.onsuccess = t.step_func( RunTest );
        });
    </script>
</head>
<body>
    <div id="log"></div>
</body>
</html>
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